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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/wayland/gpu/wayland_surface_factory.h"
#include <memory>
#include "base/memory/ptr_util.h"
#include "ui/gfx/linux/client_native_pixmap_dmabuf.h"
#include "ui/ozone/common/egl_util.h"
#include "ui/ozone/common/gl_ozone_egl.h"
#include "ui/ozone/platform/wayland/common/wayland_object.h"
#include "ui/ozone/platform/wayland/gpu/gl_surface_egl_readback_wayland.h"
#include "ui/ozone/platform/wayland/gpu/gl_surface_wayland.h"
#include "ui/ozone/platform/wayland/gpu/wayland_buffer_manager_gpu.h"
#include "ui/ozone/platform/wayland/gpu/wayland_canvas_surface.h"
#include "ui/ozone/platform/wayland/host/wayland_connection.h"
#include "ui/ozone/platform/wayland/host/wayland_window.h"
#include "ui/ozone/platform/wayland/host/wayland_window_manager.h"
#if defined(WAYLAND_GBM)
#include "ui/ozone/platform/wayland/gpu/gbm_pixmap_wayland.h"
#include "ui/ozone/platform/wayland/gpu/gbm_surfaceless_wayland.h"
#include "ui/ozone/public/ozone_platform.h"
#endif
#if BUILDFLAG(ENABLE_VULKAN)
#include "ui/ozone/platform/wayland/gpu/vulkan_implementation_wayland.h"
#endif
namespace ui {
namespace {
class GLOzoneEGLWayland : public GLOzoneEGL {
public:
GLOzoneEGLWayland(WaylandConnection* connection,
WaylandBufferManagerGpu* buffer_manager)
: connection_(connection), buffer_manager_(buffer_manager) {}
~GLOzoneEGLWayland() override {}
scoped_refptr<gl::GLSurface> CreateViewGLSurface(
gfx::AcceleratedWidget widget) override;
scoped_refptr<gl::GLSurface> CreateSurfacelessViewGLSurface(
gfx::AcceleratedWidget window) override;
scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
const gfx::Size& size) override;
protected:
gl::EGLDisplayPlatform GetNativeDisplay() override;
bool LoadGLES2Bindings(const gl::GLImplementationParts& impl) override;
private:
WaylandConnection* const connection_;
WaylandBufferManagerGpu* const buffer_manager_;
DISALLOW_COPY_AND_ASSIGN(GLOzoneEGLWayland);
};
scoped_refptr<gl::GLSurface> GLOzoneEGLWayland::CreateViewGLSurface(
gfx::AcceleratedWidget widget) {
// Only EGLGLES2 is supported with surfaceless view gl.
if ((gl::GetGLImplementation() != gl::kGLImplementationEGLGLES2) ||
!connection_)
return nullptr;
WaylandWindow* window =
connection_->wayland_window_manager()->GetWindow(widget);
if (!window)
return nullptr;
// The wl_egl_window needs to be created before the GLSurface so it can be
// used in the GLSurface constructor.
auto egl_window = CreateWaylandEglWindow(window);
if (!egl_window)
return nullptr;
return gl::InitializeGLSurface(
new GLSurfaceWayland(std::move(egl_window), window));
}
scoped_refptr<gl::GLSurface> GLOzoneEGLWayland::CreateSurfacelessViewGLSurface(
gfx::AcceleratedWidget window) {
if (gl::IsSoftwareGLImplementation(gl::GetGLImplementationParts())) {
return gl::InitializeGLSurface(
base::MakeRefCounted<GLSurfaceEglReadbackWayland>(window,
buffer_manager_));
} else {
#if defined(WAYLAND_GBM)
// If there is a gbm device available, use surfaceless gl surface.
if (!buffer_manager_->gbm_device())
return nullptr;
return gl::InitializeGLSurface(
new GbmSurfacelessWayland(buffer_manager_, window));
#else
return nullptr;
#endif
}
}
scoped_refptr<gl::GLSurface> GLOzoneEGLWayland::CreateOffscreenGLSurface(
const gfx::Size& size) {
if (gl::GLSurfaceEGL::IsEGLSurfacelessContextSupported() &&
size.width() == 0 && size.height() == 0) {
return gl::InitializeGLSurface(new gl::SurfacelessEGL(size));
} else {
return gl::InitializeGLSurface(new gl::PbufferGLSurfaceEGL(size));
}
}
gl::EGLDisplayPlatform GLOzoneEGLWayland::GetNativeDisplay() {
if (connection_)
return gl::EGLDisplayPlatform(
reinterpret_cast<EGLNativeDisplayType>(connection_->display()));
return gl::EGLDisplayPlatform(EGL_DEFAULT_DISPLAY);
}
bool GLOzoneEGLWayland::LoadGLES2Bindings(
const gl::GLImplementationParts& impl) {
// TODO: It may not be necessary to set this environment variable when using
// swiftshader.
setenv("EGL_PLATFORM", "wayland", 0);
return LoadDefaultEGLGLES2Bindings(impl);
}
} // namespace
WaylandSurfaceFactory::WaylandSurfaceFactory(
WaylandConnection* connection,
WaylandBufferManagerGpu* buffer_manager)
: connection_(connection), buffer_manager_(buffer_manager) {
egl_implementation_ =
std::make_unique<GLOzoneEGLWayland>(connection_, buffer_manager_);
}
WaylandSurfaceFactory::~WaylandSurfaceFactory() = default;
std::unique_ptr<SurfaceOzoneCanvas>
WaylandSurfaceFactory::CreateCanvasForWidget(gfx::AcceleratedWidget widget) {
return std::make_unique<WaylandCanvasSurface>(buffer_manager_, widget);
}
std::vector<gl::GLImplementation>
WaylandSurfaceFactory::GetAllowedGLImplementations() {
std::vector<gl::GLImplementation> impls;
if (egl_implementation_) {
impls.push_back(gl::kGLImplementationEGLGLES2);
impls.push_back(gl::kGLImplementationSwiftShaderGL);
}
return impls;
}
GLOzone* WaylandSurfaceFactory::GetGLOzone(
const gl::GLImplementationParts& implementation) {
switch (implementation.gl) {
case gl::kGLImplementationEGLGLES2:
case gl::kGLImplementationSwiftShaderGL:
return egl_implementation_.get();
default:
return nullptr;
}
}
#if BUILDFLAG(ENABLE_VULKAN)
std::unique_ptr<gpu::VulkanImplementation>
WaylandSurfaceFactory::CreateVulkanImplementation(bool use_swiftshader,
bool allow_protected_memory) {
return std::make_unique<VulkanImplementationWayland>(use_swiftshader);
}
#endif
scoped_refptr<gfx::NativePixmap> WaylandSurfaceFactory::CreateNativePixmap(
gfx::AcceleratedWidget widget,
VkDevice vk_device,
gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
absl::optional<gfx::Size> framebuffer_size) {
DCHECK(!framebuffer_size || framebuffer_size == size);
#if defined(WAYLAND_GBM)
scoped_refptr<GbmPixmapWayland> pixmap =
base::MakeRefCounted<GbmPixmapWayland>(buffer_manager_);
if (widget != gfx::kNullAcceleratedWidget)
pixmap->SetAcceleratedWiget(widget);
if (!pixmap->InitializeBuffer(size, format, usage))
return nullptr;
return pixmap;
#else
return nullptr;
#endif
}
void WaylandSurfaceFactory::CreateNativePixmapAsync(
gfx::AcceleratedWidget widget,
VkDevice vk_device,
gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
NativePixmapCallback callback) {
// CreateNativePixmap is non-blocking operation. Thus, it is safe to call it
// and return the result with the provided callback.
std::move(callback).Run(
CreateNativePixmap(widget, vk_device, size, format, usage));
}
scoped_refptr<gfx::NativePixmap>
WaylandSurfaceFactory::CreateNativePixmapFromHandle(
gfx::AcceleratedWidget widget,
gfx::Size size,
gfx::BufferFormat format,
gfx::NativePixmapHandle handle) {
NOTIMPLEMENTED();
return nullptr;
}
} // namespace ui
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